package com.sihai.ehr.utils;

import com.sihai.ehr.web.pojo.EmployeeNoPojo;

public class StringUtil {
	public static final String firstEmployeeNo = "QS000001";

	public static String getNextEmployeeNo(String currEmployeeNo, EmployeeNoPojo pojo) {

		String nextNo = "";
		String workNoPrefix = pojo.getEmployeeNo();
		int workDigitNum = Integer.parseInt(pojo.getActivity());
		if (currEmployeeNo == null || "".equals(currEmployeeNo)) {
			nextNo = workNoPrefix + getStringByDigit(workDigitNum) + "1";
		} else {
			String tmp = currEmployeeNo.substring(workNoPrefix.length());
			long no = Long.parseLong(tmp);
			no += 1;
			if (no < 10)
				nextNo = workNoPrefix + getStringByDigit(workDigitNum) + no;
			else if (no < 100)
				nextNo = workNoPrefix + getStringByDigit(workDigitNum - 1) + no;
			else if (no < 1000)
				nextNo = workNoPrefix + getStringByDigit(workDigitNum - 2) + no;
			else if (no < 10000)
				nextNo = workNoPrefix + getStringByDigit(workDigitNum - 3) + no;
			else if (no < 100000)
				nextNo = workNoPrefix + getStringByDigit(workDigitNum - 4) + no;
			else
				nextNo = workNoPrefix + getStringByDigit(workDigitNum - 5) + no;
		}
		return nextNo;
	}

	private static String getStringByDigit(int num) {
		if (num == 2)
			return "0";
		else if (num == 3)
			return "00";
		else if (num == 4)
			return "000";
		else if (num == 5)
			return "0000";
		else if (num == 6)
			return "00000";
		else if (num == 7)
			return "000000";
		else if (num == 8)
			return "0000000";
		else
			return "00000000";

	}

	private static Long seq = 100L;

	/**
	 * 获取临时编号
	 * 
	 * @return
	 */
	public synchronized static Long getTempNo() {
		if (seq == 9999)
			seq = 100L;
		Long num = System.currentTimeMillis() + seq;
		seq++;
		return num;
	}

	public static String escape(String src) {
		int i;
		char j;
		StringBuffer tmp = new StringBuffer();
		tmp.ensureCapacity(src.length() * 6);

		for (i = 0; i < src.length(); i++) {

			j = src.charAt(i);

			if (Character.isDigit(j) || Character.isLowerCase(j) || Character.isUpperCase(j))
				tmp.append(j);
			else if (j < 256) {
				tmp.append("%");
				if (j < 16)
					tmp.append("0");
				tmp.append(Integer.toString(j, 16));
			} else {
				tmp.append("%u");
				tmp.append(Integer.toString(j, 16));
			}
		}
		return tmp.toString();
	}

	public static String unescape(String src) {
		StringBuffer tmp = new StringBuffer();
		tmp.ensureCapacity(src.length());
		int lastPos = 0, pos = 0;
		char ch;
		while (lastPos < src.length()) {
			pos = src.indexOf("%", lastPos);
			if (pos == lastPos) {
				if (src.charAt(pos + 1) == 'u') {
					ch = (char) Integer.parseInt(src.substring(pos + 2, pos + 6), 16);
					tmp.append(ch);
					lastPos = pos + 6;
				} else {
					ch = (char) Integer.parseInt(src.substring(pos + 1, pos + 3), 16);
					tmp.append(ch);
					lastPos = pos + 3;
				}
			} else {
				if (pos == -1) {
					tmp.append(src.substring(lastPos));
					lastPos = src.length();
				} else {
					tmp.append(src.substring(lastPos, pos));
					lastPos = pos;
				}
			}
		}
		return tmp.toString();
	}
}
